![8.Mounting power head.](/images/new-backgrounds/184655/18465537x1.webp)
INSTALLATION
FOR
8.Mounting power head.
•Raise power head and support it high enough that you can manually raise garage door fully open.
•Line up power head and rail with center of door. Fig.
•Keeping power head centered, mount to ceiling:
–at proper height;
a.for sectional doors rail should be level with floor or slightly below level.
Fig.
b.for
door by about 2 inches. Fig. | Fig. |
SECTIONAL LEVEL OR SLIGHTLY BELOW LEVEL
2" |
Fig. |
[22] |
– using one of the preferred methods |
| Perforated | |
Mounting | Angle Iron | ||
shown, Fig. | [48] | ||
Straps | |||
(It is possible to use other mounting |
| [46] | |
methods. The critical point to remember is |
| ||
that the mounting assembly must be |
| [9] | |
solidly attached and able to support the |
| FINISHED CEILING | |
weight of the power head.) DO NOT | Wood |
| |
ATTACH TO DRY WALL OR |
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|
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SUSPENDED CEILING. It must be |
|
| |
anchored to the framework of the garage. |
|
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• Fully tighten rail strap nut. |
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19
Fig.